Chef backpack



FIG. 1 is a perspective view of a chef backpack, showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top side plan view thereof; and,

FIG. 7 is a bottom side plan view thereof.

Dashed broken lines represent stitching on the chef backpack and form part of the claimed design. The shorter square broken lines represent the backpack's zipper and form part of the claimed design. The dotted-dashed lines depict portions of the chef backpack that form no part of the claimed design. 

CLAIM We claim the ornamental design for a chef backpack, as shown and described. 